Little code Flying Bird

/**********************         "Flying Bird"       Tested by DOS Environment command   for     javac Main.java                java   Main*************************/import  Java.awt.*; import java.util.*;import java.awt.event.*;import java.util.list; import  javax.swing.jpanel;  class wzpoint {int x;int y1;int y2;wzpoint (int &NBSP;XX,&NBSP;INT&NBSP;Y,&NBSP;INT&NBSP;YY)  {x = xx;y1 = y;y2 = yy;}  public void setx (int x)  {this.x = this.x-x;}} public class main extends jpanel {/* global variable explanation     a  used time      p     link lines     wzy  flying height frame panel */static int  a = 1;static int wzy = 100;static point p = null;  static list<wzpoint> list =  new ArrayList<wzpoint> ();p ublic static frame frame = new frame ( );p Ublic static void main (String[] args)  {list.add (New wzpoint (480, 50,  220)); List.add (New wzpoint (240, 100, 220)); List.add (New wzpoint (100, 100,  List.add (New wzpoint (360, 60, 360)); List.add (New wzpoint (280, 150, 300)); Main m = new main (); M.setsize (New dimension (800, 666)); M.setVisible (true); Frame.add (m); Frame.setsize (800, 666); Frame.addwindowlistener (New windowadapter ()  {public  Void windowclosing (windowevent e)  {system.exit (0);}}); M.action (); Frame.addmouselistener (New mouseadapter ()  {public void mouseclicked (MouseEvent  e)  {int x = e.getx (); Int y =&nbsP;e.gety ();                  wzy=y;p = new point (x, y);                 frame.repaint ();}}); Frame.setvisible (TRUE);} Private timer timer;private void action ()  {timer = new timer (); Timer.schedule (New timertask ()  {public void run ()  { int n=5;//speed value      for (int i=0;i<5;i++)    {  list.get (i). SetX (n*5);//Change   X value    Move       }       if (List.size ( ) <6)     {    int x= (int)   (math.random () *100) +50;     int y= (int)   (math.random () *400) +50;    list.add (new  Wzpoint (X+300,x,y));     }  &nbsP; wzpoint wz=list.get (0); if (wz.x<50) list.remove (0); if (wzy>wz.y1&&wzy<wz.y2) | | (wzy>wz.y2&&wzy<wz.y1)) { p =new point (1000,1000); Frame.repaint ();} Else{frame.repaint ();}}}, new date (),  1000);} @Overridepublic  void paint (graphics g)  {if  (a == 1) g.drawstring ("WZ",  60, 200) g.drawstring ("Welcome to The Flying Machine" ",  550, 100); g.DrawString (" Click on the upper and lower screen to change the position of the aircraft ", 520,  g.DrawString ("The screen constantly refreshes the new page when not clicked",  520, 140); G.drawline (50, 50, 500, 50); G.drawline ( 50, 50, 50, 500); G.drawline (500, 50, 500, 500); G.drawline (50, 500, 500 ,  500);for  (int i = 0; i <5; i++)  {wzpoint wz=list.get (i) ;if  (wz.x> 50)  {g.drawline (Wz.x, wz.y1, wz.x, wz.y2);}} if  (p != null)  {if  (P.getx () ==1000) g.drawstring ("You had fail onCE ", 300,300);if  (50 < p.getx ()  && p.getx ()  < 500 & & 50 < p.gety () && p.gety ()  < 500)  {g.drawString ("wz",  60,  (int)  p.gety ());}                else { g.DrawString ("Error", " 44, 510"), g.DrawString ("x = "  + p.getx (), 44,  520); g.DrawString ("y = "  + p.gety (),  44, 530);}} g.DrawString ("I will always print time  "  + a +  "s",  100, 40); a++;}}

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Little code Flying Bird